[INFO] cloning repository https://github.com/howeih/Day-14-Huffman-codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-14-Huffman-codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-14-Huffman-codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-14-Huffman-codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65a14d8fffeb7cd8a8ef5c8b78f23847140c1d84
[INFO] testing howeih/Day-14-Huffman-codes against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-14-Huffman-codes" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-14-Huffman-codes on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-14-Huffman-codes
[INFO] finished tweaking git repo https://github.com/howeih/Day-14-Huffman-codes
[INFO] tweaked toml for git repo https://github.com/howeih/Day-14-Huffman-codes written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-14-Huffman-codes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5f37d2e99dc2d720de1c3324dcd5464e1a9d8c3e3f43af4c7a645b9bac72025
[INFO] running `Command { std: "docker" "start" "-a" "a5f37d2e99dc2d720de1c3324dcd5464e1a9d8c3e3f43af4c7a645b9bac72025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5f37d2e99dc2d720de1c3324dcd5464e1a9d8c3e3f43af4c7a645b9bac72025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f37d2e99dc2d720de1c3324dcd5464e1a9d8c3e3f43af4c7a645b9bac72025", kill_on_drop: false }`
[INFO] [stdout] a5f37d2e99dc2d720de1c3324dcd5464e1a9d8c3e3f43af4c7a645b9bac72025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebed86f026c0facbe31894b2209f7d96ee16df1d62009b615ebf1ca977f7d41
[INFO] running `Command { std: "docker" "start" "-a" "4ebed86f026c0facbe31894b2209f7d96ee16df1d62009b615ebf1ca977f7d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman_codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "4ebed86f026c0facbe31894b2209f7d96ee16df1d62009b615ebf1ca977f7d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebed86f026c0facbe31894b2209f7d96ee16df1d62009b615ebf1ca977f7d41", kill_on_drop: false }`
[INFO] [stdout] 4ebed86f026c0facbe31894b2209f7d96ee16df1d62009b615ebf1ca977f7d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa7c6d16547aaa761fdb7515562658e5e6008f90a5572c59e960bc9ebf9ff38
[INFO] running `Command { std: "docker" "start" "-a" "dfa7c6d16547aaa761fdb7515562658e5e6008f90a5572c59e960bc9ebf9ff38", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman_codes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "dfa7c6d16547aaa761fdb7515562658e5e6008f90a5572c59e960bc9ebf9ff38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa7c6d16547aaa761fdb7515562658e5e6008f90a5572c59e960bc9ebf9ff38", kill_on_drop: false }`
[INFO] [stdout] dfa7c6d16547aaa761fdb7515562658e5e6008f90a5572c59e960bc9ebf9ff38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af79decf1f2b5e91592fb06a0234dd0f41b8850d770ad90d3e4d6c4064a4c646
[INFO] running `Command { std: "docker" "start" "-a" "af79decf1f2b5e91592fb06a0234dd0f41b8850d770ad90d3e4d6c4064a4c646", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/huffman_codes-9194f2832f330901)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af79decf1f2b5e91592fb06a0234dd0f41b8850d770ad90d3e4d6c4064a4c646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af79decf1f2b5e91592fb06a0234dd0f41b8850d770ad90d3e4d6c4064a4c646", kill_on_drop: false }`
[INFO] [stdout] af79decf1f2b5e91592fb06a0234dd0f41b8850d770ad90d3e4d6c4064a4c646